CSCC BIO 1111 EXAM 4 STUDY GUIDE 2026
TESTED QUESTIONS AND PRACTICE
SOLUTION GRADED A+
◉ nerve nets.
Answer: concerning the nervous system, bilateral animals have ___
◉ nerve net.
Answer: diffuse neurons in hydra
◉ central nervous system.
Answer: concerning nervous sytem, bilateral animals have___
◉ central nervous system.
Answer: these are characteristics of which type of nerve formation?
-some neurons clustered into tracts or cords
-others clustered in masse such as ganglia+brain
-allowed cephalization
◉ coelom.
Answer: fluid-filled body cavity lined with mesoderm
, ◉ coelomates.
Answer: tripoblasts may have coelom, they are called
◉ acoelomates.
Answer: triploblasts lacked coelom are called
◉ psuedocoelom.
Answer: body cavity derived from the mesoderm and endoderm
◉ Pseudocoelomate.
Answer: An animal whose body cavity is lined by tissue derived from
mesoderm and endoderm.
◉ circulation and hydrostatic skeleton.
Answer: body cavities allow two things __, ___
◉ hydrostatic skeleton.
Answer: this allows for efficient movement for soft-bodied animals
◉ earthworm.
Answer: example of coelomate
TESTED QUESTIONS AND PRACTICE
SOLUTION GRADED A+
◉ nerve nets.
Answer: concerning the nervous system, bilateral animals have ___
◉ nerve net.
Answer: diffuse neurons in hydra
◉ central nervous system.
Answer: concerning nervous sytem, bilateral animals have___
◉ central nervous system.
Answer: these are characteristics of which type of nerve formation?
-some neurons clustered into tracts or cords
-others clustered in masse such as ganglia+brain
-allowed cephalization
◉ coelom.
Answer: fluid-filled body cavity lined with mesoderm
, ◉ coelomates.
Answer: tripoblasts may have coelom, they are called
◉ acoelomates.
Answer: triploblasts lacked coelom are called
◉ psuedocoelom.
Answer: body cavity derived from the mesoderm and endoderm
◉ Pseudocoelomate.
Answer: An animal whose body cavity is lined by tissue derived from
mesoderm and endoderm.
◉ circulation and hydrostatic skeleton.
Answer: body cavities allow two things __, ___
◉ hydrostatic skeleton.
Answer: this allows for efficient movement for soft-bodied animals
◉ earthworm.
Answer: example of coelomate
